采集的固体废弃物样品经四分法缩分至200～500g，研磨至全量通过1_爱下问搜题

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问题单项选择题

采集的固体废弃物样品经四分法缩分至200～500g，研磨至全量通过100目筛，然后于105℃烘烤2～6小时，作为供分析用的干燥样品。下列各项中，该样品不适合测定的指标是

A.铅

B.铬

C.总汞

D.砷

E.镉

答案

参考答案：C

阅读理解

The Longest Bicycle The longest true bicycle was 28.1 meters long and had two wheels. It was built by the students at the Delft University of Technology in the Netherlands. The bicycle was ridden more than 100 meters in Delft on December 11, 2002.	The Most Expensive Jeans A pair of Levis jeans which was over 115 years old then was sold by Randy Knight to a Japanese buyer over the Internet on June 15, 2005. The jeans cost the buyer $60,000.
The Heaviest Apple The heaviest apple weighed 1.849 kilos. It was grown by Chisato Iwasaki on his apple farm in Japan. Chisato picked the apple on October 24, 2005.	The Largest Mobile Phone The Iargest mobile phone was the Sony Ericsson W810i. It was 2.50×1.14×0.49m and was measured (量) at the MTN Scien Centre in Cape Town, South Africa, on September 20, 2007.

小题1:The longest bicycle ______.
A. was made in the USA.
B. couldn't be ridden
C. was about 100 meters long
D. had only two wheels
小题2:Which of the following is NOT true about the most expensive pair of jeans?

A．It was sold over the Internet.

B．It cost the buyer $60,000.

C．It was sold to an American buyer.

D．It is more than 100 years old now.

小题3:According to the passage, what happened on October 24, 2005?

A．The heaviest apple was grown.

B．The longest bicycle was built.

C．The largest mobile phone was made.

D．The heaviest apple was picked.

判断题

对掘进巷道进行的通风叫局部通风或掘进通风。